Radeon HD 5870 Eyefinity 6 vs Radeon HD 7970
We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 5870 Eyefinity 6 and 3GB VRAM Radeon HD 7970 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
Radeon HD 5870 Eyefinity 6 Advantages
Lower TDP (228W vs 250W)
Radeon HD 7970 Advantages
Released 1 years and 10 months late
More VRAM (3GB vs 2GB)
Larger VRAM bandwidth (264.0GB/s vs 153.6GB/s)
448 additional rendering cores
Score
Benchmark
FP32 (float)
Radeon HD 5870 Eyefinity 6
2720
Radeon HD 7970
+39%
3789
Graphics Card
Mar 2010
Release Date
Jan 2012
Evergreen
Generation
Southern Islands
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
1200 MHz
Memory Clock
1375 MHz
Memory
2GB
Memory Size
3GB
GDDR5
Memory Type
GDDR5
256bit
Memory Bus
384bit
153.6GB/s
Bandwidth
264.0GB/s
Render Config
20
Compute Units
32
1600
Shading Units
2048
80
TMUs
128
32
ROPs
32
8 KB (per CU)
L1 Cache
16 KB (per CU)
512 KB
L2 Cache
768 KB
Theoretical Performance
27.20 GPixel/s
Pixel Rate
29.60 GPixel/s
68.00 GTexel/s
Texture Rate
118.4 GTexel/s
2.720 TFLOPS
FP32 (float)
3.789 TFLOPS
544.0 GFLOPS
FP64 (double)
947.2 GFLOPS
Board Design
228W
TDP
250W
550 W
Suggested PSU
600 W
6x mini-DisplayPort 1.1
Outputs
1x DVI
1x HDMI 1.4a
2x mini-DisplayPort 1.2
1x HDMI 1.4a
2x mini-DisplayPort 1.2
1x 6-pin + 1x 8-pin
Power Connectors
1x 6-pin + 1x 8-pin
Graphics Processor
Cypress
GPU Name
Tahiti
Cypress XT
(215-0735033)
(215-0735033)
GPU Variant
Tahiti XT
(215-0821060)
(215-0821060)
TeraScale 2
Architecture
GCN 1.0
TSMC
Foundry
TSMC
40 nm
Process Size
28 nm
2.154 billion
Transistors
4.313 billion
334 mm²
Die Size
352 mm²
Graphics Features
11.2 (11_0)
DirectX
12 (11_1)
4.4
OpenGL
4.6
1.2
OpenCL
2.1 (1.2)
N/A
Vulkan
1.2.170
5.0
Shader Model
6.5 (5.1)
