Radeon HD 4870 vs GeForce GTX 260 OEM
We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 4870 and 1792MB VRAM GeForce GTX 260 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
Radeon HD 4870 's Advantages
Larger VRAM bandwidth (115.2GB/s vs 112.9GB/s)
608 additional rendering cores
GeForce GTX 260 OEM 's Advantages
Released 1 years and 6 months late
More VRAM (1792GB vs 512GB)
Score
Benchmark
FP32 (float)
Radeon HD 4870
+189%
1200
GeForce GTX 260 OEM
414
Graphics Card
Jun 2008
Release Date
Dec 2009
Radeon R700
Generation
GeForce 200
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
900 MHz
Memory Clock
1008 MHz
Memory
512MB
Memory Size
1792MB
GDDR5
Memory Type
GDDR3
256bit
Memory Bus
448bit
115.2GB/s
Bandwidth
112.9GB/s
Render Config
10
Compute Units
-
-
SM Count
24
800
Shading Units
192
40
TMUs
64
16
ROPs
28
16 KB (per CU)
L1 Cache
-
256 KB
L2 Cache
224 KB
Theoretical Performance
12.00 GPixel/s
Pixel Rate
14.50 GPixel/s
30.00 GTexel/s
Texture Rate
33.15 GTexel/s
1200 GFLOPS
FP32 (float)
414.7 GFLOPS
240.0 GFLOPS
FP64 (double)
51.84 GFLOPS
Board Design
150W
TDP
150W
450 W
Suggested PSU
450 W
2x DVI
1x S-Video
Outputs
2x DVI
2x 6-pin
Power Connectors
2x 6-pin
Graphics Processor
RV770
GPU Name
GT200
RV770 XT
(215-0669049)
GPU Variant
G200-101-A2
TeraScale
Architecture
Tesla 2.0
TSMC
Foundry
TSMC
55 nm
Process Size
65 nm
0.956 billion
Transistors
1.4 billion
256 mm²
Die Size
576 mm²
Graphics Features
10.1 (10_1)
DirectX
11.1 (10_0)
3.3
OpenGL
3.3
1.1
OpenCL
1.1
N/A
Vulkan
N/A
-
CUDA
1.3
4.1
Shader Model
4.0