AMD Radeon R9 280X vs ATI Radeon HD 2950 PRO
We compared two Desktop platform GPUs: 3GB VRAM Radeon R9 280X and 256MB VRAM Radeon HD 2950 PRO to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon R9 280X 's Advantages
Boost Clock1000MHz
More VRAM (3GB vs 256GB)
Larger VRAM bandwidth (288.0GB/s vs 38.40GB/s)
1728 additional rendering cores
ATI Radeon HD 2950 PRO 's Advantages
Lower TDP (75W vs 250W)
Score
Benchmark
FP32 (float)
Radeon R9 280X
+966%
4.096 TFLOPS
Radeon HD 2950 PRO
0.384 TFLOPS
Graphics Card
Oct 2013
Release Date
Unknown
Volcanic Islands
Generation
Radeon R600
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
850 MHz
Base Clock
-
1000 MHz
Boost Clock
-
1500 MHz
Memory Clock
600 MHz
Memory
3GB
Memory Size
256MB
GDDR5
Memory Type
GDDR3
384bit
Memory Bus
256bit
288.0GB/s
Bandwidth
38.40GB/s
Render Config
32
Compute Units
4
-
-
-
2048
Shading Units
320
128
TMUs
16
32
ROPs
16
-
-
-
-
-
-
16 KB (per CU)
L1 Cache
-
768 KB
L2 Cache
256 KB
-
-
-
Theoretical Performance
32.00 GPixel/s
Pixel Rate
9.600 GPixel/s
128.0 GTexel/s
Texture Rate
9.600 GTexel/s
-
-
-
4.096 TFLOPS
FP32 (float)
384.0 GFLOPS
1024 GFLOPS
FP64 (double)
76.80 GFLOPS
Board Design
250W
TDP
75W
600 W
Suggested PSU
250 W
2x DVI
1x HDMI 1.4a
1x DisplayPort 1.2
Outputs
2x DVI
1x S-Video
1x 6-pin + 1x 8-pin
Power Connectors
1x 6-pin
Graphics Processor
Tahiti
GPU Name
RV670
Tahiti XTL
(215-0821065)
GPU Variant
RV670 PRO ES
(215-0708001)
GCN 1.0
Architecture
TeraScale
TSMC
Foundry
TSMC
28 nm
Process Size
55 nm
4.313 billion
Transistors
0.666 billion
352 mm²
Die Size
192 mm²
Graphics Features
12 (11_1)
DirectX
10.1 (10_1)
4.6
OpenGL
3.3 (full)
4.0 (partial)
1.2
OpenCL
N/A
1.2
Vulkan
N/A
-
-
-
5.1
Shader Model
4.1
