AMD FireStream 9250 vs ATI Radeon HD 4850

What is the difference between AMD FireStream 9250 and ATI Radeon HD 4850. Find out which graphics card has better performance.

Graphics Processor (GPU)

RV770GPU NameRV770
RV770 PROModel numberRV770 PRO
(215-0669065)
TeraScaleArchitectureTeraScale
TSMCFoundryTSMC
55 nmProcess Size55 nm
956 millionTransistors956 million
256 mm²Die Size256 mm²

Graphics Card

Jun 16th, 2008Release DateJun 25th, 2008
FireStreamFamilyRadeon R700
(HD 4800)
End-of-lifeProductionEnd-of-life
PCIe 2.0 x16Bus InterfacePCIe 2.0 x16

Memory

1024 MBMemory Size512 MB
GDDR3Memory TypeGDDR3
256 bitMemory Bus256 bit
63.55 GB/sBandwidth63.55 GB/s

Performance

10.00 GPixel/sPixel fillrate10.00 GPixel/s
25.00 GTexel/sTexture fillrate25.00 GTexel/s
1,000 GFLOPSFP32 (float) performance1,000 GFLOPS
200.0 GFLOPS (1:5)FP64 (double) performance200.0 GFLOPS (1:5)

Clock Speeds

993 MHz
1986 Mbps effective
Memory Clock993 MHz
1986 Mbps effective
625 MHzGPU Clock625 MHz

Render Config

800Shading Units800
40TMUs40
16ROPs16
10Compute Units10
16 KB (per CU)L1 Cache16 KB (per CU)
256 KBL2 Cache256 KB

Board Design

Single-slotSlot WidthSingle-slot
234 mm
9.2 inches
Length246 mm
9.7 inches
150 WThermal design power (TDP)110 W
450 WSuggested PSU300 W
1x DVIDisplay Connectors2x DVI
1x S-Video
1x 6-pinPower Connectors1x 6-pin

API support

10.1 (10_1)DirectX10.1 (10_1)
3.3OpenGL3.3
1.1OpenCL1.1
N/AVulkanN/A
4.1Shader Model4.1