AMD Radeon R9 280X vs ATI Radeon HD 5950
GPU Specs Compare
Graphics Card
Release Date
Oct 2013
Unknown
Generation
Volcanic Islands
Evergreen
Type
Desktop
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 2.0 x16
Clock Speeds
Base Clock
850 MHz
-
Boost Clock
1000 MHz
-
Memory Clock
1500 MHz
1000 MHz
Memory
Memory Size
3GB
1024MB
Memory Type
GDDR5
GDDR5
Memory Bus
384bit
256bit
Bandwidth
288.0GB/s
128.0GB/s
Render Config
Compute Units
32
18
Shading Units
2048
1440
TMUs
128
72
ROPs
32
32
L1 Cache
16 KB (per CU)
8 KB (per CU)
L2 Cache
768 KB
512 KB
Theoretical Performance
Pixel Rate
32.00 GPixel/s
23.20 GPixel/s
Texture Rate
128.0 GTexel/s
52.20 GTexel/s
FP32 (float)
4.096 TFLOPS
2.088 TFLOPS
FP64 (double)
1024 GFLOPS
-
Graphics Processor
GPU Name
Tahiti
Hemlock
GPU Variant
Tahiti XTL(215-0821065)
Hemlock PRO(215-0735443)
Architecture
GCN 1.0
TeraScale 2
Foundry
TSMC
TSMC
Process Size
28 nm
40 nm
Transistors
4.313 billion
2.154 billion
Die Size
352 mm²
334 mm²
Board Design
TDP
250W
302W
Suggested PSU
600 W
700 W
Outputs
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
2x DVI1x mini-DisplayPort 1.1
Power Connectors
1x 6-pin + 1x 8-pin
1x 6-pin + 1x 8-pin
Graphics Features
DirectX
12 (11_1)
11.2 (11_0)
OpenGL
4.6
4.4
OpenCL
1.2
1.2
Vulkan
1.2
N/A
Shader Model
5.1
5.0