AMD Radeon HD 6950 vs AMD Radeon R7 450 OEM
We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 6950 and 2GB VRAM Radeon R7 450 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon HD 6950 's Advantages
Larger VRAM bandwidth (160.0GB/s vs 72.00GB/s)
896 additional rendering cores
AMD Radeon R7 450 OEM 's Advantages
Released 5 years and 6 months late
Lower TDP (65W vs 200W)
Score
Benchmark
FP32 (float)
Radeon HD 6950
+137%
2.253 TFLOPS
Radeon R7 450 OEM
0.947 TFLOPS
Graphics Card
Dec 2010
Release Date
Jun 2016
Northern Islands
Generation
Arctic Islands
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 3.0 x16
Clock Speeds
-
-
-
-
-
-
1250 MHz
Memory Clock
1125 MHz
Memory
2GB
Memory Size
2GB
GDDR5
Memory Type
GDDR5
256bit
Memory Bus
128bit
160.0GB/s
Bandwidth
72.00GB/s
Render Config
22
Compute Units
8
-
-
-
1408
Shading Units
512
88
TMUs
32
32
ROPs
16
-
-
-
-
-
-
8 KB (per CU)
L1 Cache
16 KB (per CU)
512 KB
L2 Cache
256 KB
-
-
-
Theoretical Performance
25.60 GPixel/s
Pixel Rate
14.80 GPixel/s
70.40 GTexel/s
Texture Rate
29.60 GTexel/s
-
-
-
2.253 TFLOPS
FP32 (float)
947.2 GFLOPS
563.2 GFLOPS
FP64 (double)
59.20 GFLOPS
Board Design
200W
TDP
65W
550 W
Suggested PSU
250 W
2x DVI
1x HDMI 1.4a
2x mini-DisplayPort 1.2
Outputs
1x DVI
1x HDMI 1.4a
1x DisplayPort 1.2
2x 6-pin
Power Connectors
None
Graphics Processor
Cayman
GPU Name
Cape Verde
Cayman PRO
(215-0807019)
GPU Variant
Cape Verde PRO2
TeraScale 3
Architecture
GCN 1.0
TSMC
Foundry
TSMC
40 nm
Process Size
28 nm
2.64 billion
Transistors
1.5 billion
389 mm²
Die Size
123 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)
