Radeon HD 6870 vs GeForce GTX 285
We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6870 and 1024MB VRAM GeForce GTX 285 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
Radeon HD 6870 's Advantages
Released 1 years and 10 months late
880 additional rendering cores
Lower TDP (151W vs 204W)
GeForce GTX 285 's Advantages
Larger VRAM bandwidth (159.0GB/s vs 134.4GB/s)
Score
Benchmark
FP32 (float)
Radeon HD 6870
+184%
2016
GeForce GTX 285
708
Graphics Card
Oct 2010
Release Date
Dec 2008
Northern Islands
Generation
GeForce 200
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
1050 MHz
Memory Clock
1242 MHz
Memory
1024MB
Memory Size
1024MB
GDDR5
Memory Type
GDDR3
256bit
Memory Bus
512bit
134.4GB/s
Bandwidth
159.0GB/s
Render Config
14
Compute Units
-
-
SM Count
30
1120
Shading Units
240
56
TMUs
80
32
ROPs
32
8 KB (per CU)
L1 Cache
-
512 KB
L2 Cache
256 KB
Theoretical Performance
28.80 GPixel/s
Pixel Rate
20.74 GPixel/s
50.40 GTexel/s
Texture Rate
51.84 GTexel/s
2.016 TFLOPS
FP32 (float)
708.5 GFLOPS
-
FP64 (double)
88.56 GFLOPS
Board Design
151W
TDP
204W
450 W
Suggested PSU
550 W
2x DVI
1x HDMI 1.3a
2x mini-DisplayPort 1.1
Outputs
2x DVI
1x S-Video
2x 6-pin
Power Connectors
2x 6-pin
Graphics Processor
Barts
GPU Name
GT200B
Barts XT
(215-0798000)
GPU Variant
G200-350-B3
TeraScale 2
Architecture
Tesla 2.0
TSMC
Foundry
TSMC
40 nm
Process Size
55 nm
1.7 billion
Transistors
1.4 billion
255 mm²
Die Size
470 mm²
Graphics Features
11.2 (11_0)
DirectX
11.1 (10_0)
4.4
OpenGL
3.3
1.2
OpenCL
1.1
N/A
Vulkan
N/A
-
CUDA
1.3
5.0
Shader Model
4.0
