Radeon HD 5870 Eyefinity 6 vs Radeon R9 280X2
We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 5870 Eyefinity 6 and 3GB VRAM Radeon R9 280X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
Radeon HD 5870 Eyefinity 6 's Advantages
Lower TDP (228W vs 375W)
Radeon R9 280X2 's Advantages
Boost Clock1000MHz
More VRAM (3GB vs 2GB)
Larger VRAM bandwidth (288.0GB/s vs 153.6GB/s)
448 additional rendering cores
Score
Benchmark
FP32 (float)
Radeon HD 5870 Eyefinity 6
2720
Radeon R9 280X2
+50%
4096
Graphics Card
Mar 2010
Release Date
Unknown
Evergreen
Generation
Volcanic Islands
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
-
Base Clock
950 MHz
-
Boost Clock
1000 MHz
1200 MHz
Memory Clock
1500 MHz
Memory
2GB
Memory Size
3GB
GDDR5
Memory Type
GDDR5
256bit
Memory Bus
384bit
153.6GB/s
Bandwidth
288.0GB/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
32.00 GPixel/s
68.00 GTexel/s
Texture Rate
128.0 GTexel/s
2.720 TFLOPS
FP32 (float)
4.096 TFLOPS
544.0 GFLOPS
FP64 (double)
1024 GFLOPS
Board Design
228W
TDP
375W
550 W
Suggested PSU
750 W
6x mini-DisplayPort 1.1
Outputs
6x mini-DisplayPort 1.2
1x 6-pin + 1x 8-pin
Power Connectors
3x 8-pin
Graphics Processor
Cypress
GPU Name
Tahiti
Cypress XT
(215-0735033)
GPU Variant
Tahiti XTL
(215-0821065)
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
1.2
N/A
Vulkan
1.2
5.0
Shader Model
5.1
