Mobility Radeon HD 4870 X2

Processore grafico

Memoria video: 1 GB^*
Bus di memoria: Valore riportato 1: 256 bit^*
Valore riportato 2: 256 bit^*
Valore riportato 3: 512 bit^*
Banda di memoria nominale: 89,60 GB/s^*

Non sono ancora disponibili benchmark associati a questa scheda.

Elaborazione e piattaforma

Architettura: Valore riportato 1: TeraScale^*
Valore riportato 2: RV770^*
Nodo produttivo: 55 nm^*
Frequenza base GPU: 550 MHz^*
Frequenza dichiarata della memoria grafica: 700 MHz^*
Memoria video: 2.048 MB^*

Memoria e archiviazione

Memoria video: 1 GB^*
Tipo memoria video: GDDR5^*
Bus di memoria: Valore riportato 1: 256 bit^*
Valore riportato 2: 256 bit^*
Valore riportato 3: 512 bit^*
Banda di memoria nominale: 89,60 GB/s^*

Configurazione di sistema

Specifiche dettagliate

Specifiche 1 · 25 campi

Architecture: RV770^*
Integrated: No^*
L2 Cache: 0KB^*
Manufacturer: AMD^*
Max Power: 130 Watts^*
Memory: 2.048^* MB
Memory Bandwidth: 179.2GB/sec^*
Memory Bus: 512 Bit^*
Memory Speed: 700^* MHz
Memory Type: GDDR5^*
Name: Mobility Radeon HD 4870 x2^*
Best Resolution: 1600 x 960^*
Notebook GPU: Yes^*
Open GL: 3,3^*
Pixel Rate: 9 GPixel/s^*
Process: 55nm^*
ROPs: 16^*
Release Date: 09-Jan-2009^*
Resolution WxH: 2560x1600^*
SLI Crossfire: No^*
Shader: 4,1^*
TMUs: 40^*
Texture Rate: 22 GTexel/s^*
Dedicated: Yes^*
Direct X: DX 10.1^*

Specifiche 2 · 8 campi

Product Name: Mobility Radeon HD 4870 X2^*
GPU Chip: M98^*
Released: Jan 9th, 2009^*
Bus: PCIe 2.0 x16^*
Memory: 1024 MB, GDDR5, 256 bit^*
GPU clock: 550^* MHz
Memory clock: 700^* MHz
Shaders / TMUs / ROPs: 800 / 40 / 16^*

Specifiche 3 · 49 campi

Brand: ATI^*
Top BUS WIDTH: 256 bit x2^*
Graphics Processor GPU Name: M98^*
Graphics Processor Architecture: TeraScale^*
Graphics Processor Process Size: 55^* nm
Graphics Processor Transistors: 956 million^*
Graphics Processor Die Size: 256^* mm²
Name: Mobility Radeon HD 4870 X2^*
Clock Speeds GPU Clock: 550^* MHz
Clock Speeds Memory Clock: 700 MHz 2.8 Gbps effective^*
Memory Memory Size: 1.024^* MB
Memory Memory Type: GDDR5^*
Memory Memory Bus: 256^* bit
Memory Bandwidth: 89,6^* GB/s
Render Config TMUs: 40^*
Top GRAPHICS PROCESSOR: M98 x2^*
Render Config ROPs: 16^*
Theoretical Performance Pixel Rate: 8.800 GPixel/s
Theoretical Performance Texture Rate: 22.00 GTexel/s
Board Design Slot Width: MXM Module^*
Board Design Outputs: Portable Device Dependent^*
Graphics Features DirectX: 10.1 (10_1)^*
Graphics Features OpenGL: 3,3^*
Graphics Features OpenCL: 1,1^*
source file: ati2009.json^*
Graphics Processor Foundry: TSMC^*
Recommended Resolutions: Good:1280x720 | Low FPS:1366x768 | Unplayable:1600x900^*
Graphics Processor GPU Variant: M98 XT L2 (216-0732023)^*
Graphics Processor Density: 3.7M / mm²^*
Mobile Graphics Release Date: Jan 9th, 2009^*
Top TMUS: 40 x2^*
Mobile Graphics Generation: M9x (Mobility HD 4800)^*
Mobile Graphics Production: End-of-life^*
Mobile Graphics Bus Interface: PCIe 2.0 x16^*
Mobile Graphics Reviews: 2 in our database^*
Graphics Processor Chip Package: HFCBGA-1492^*
Top ROPS: 16 x2^*
Mobile Graphics Successor: Manhattan^*
Mobile Graphics Predecessor: M8x^*
Graphics Features Shader Model: 4.1^*
Top CORES: 800 x2^*
Render Config Shading Units: 800^*
Render Config Compute Units: 10^*
Render Config L2 Cache: 256^* KB
Top MEMORY SIZE: 1024 MB x2^*
Theoretical Performance FP32 (float): 880^* GFLOPS
Theoretical Performance FP64 (double): 176.0 GFLOPS (1:5)
Render Config L1 Cache: 16 KB (per CU)^*
Top MEMORY TYPE: GDDR5^*

Specifiche 4 · 27 campi

manufacturer: ATI^*
manufacturer: ATI^*
rop: 16^*
rop: 32^*
igp: No^*
igp: No^*
bus: PCIe 2.0 x16^*
bus: PCIe 3.0 x16^*
memType: GDDR5^*
memType: GDDR5^*
gpuChip: M98^*
gpuChip: TU117^*
productName: Mobility Radeon HD 4870 X2^*
productName: Mobility Radeon HD 4870 X2^*
releaseYear: 2.009^*
releaseYear: 2.009^*
memSize: 1,024^*
memSize: 1,024^*
memBusWidth: 256^*
gpuClock: 1.485^*
gpuClock: 550^*
memClock: 700^*
memClock: 2.001^*
unifiedShader: 896^*
unifiedShader: 800^*
tmu: 56^*
tmu: 40^*

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