Home GPU Comparison AMD Radeon HD 7950 Boost vs AMD Radeon R7 450 OEM

AMD Radeon HD 7950 Boost vs AMD Radeon R7 450 OEM

We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 7950 Boost 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 7950 Boost 's Advantages
Boost Clock925MHz
More VRAM (3GB vs 2GB)
Larger VRAM bandwidth (240.0GB/s vs 72.00GB/s)
1280 additional rendering cores
AMD Radeon R7 450 OEM 's Advantages
Released 4 years late
Lower TDP (65W vs 200W)

Score

Benchmark

FP32 (float)
Radeon HD 7950 Boost +250%
3.315 TFLOPS
Radeon R7 450 OEM
0.947 TFLOPS
VS

Graphics Card

Jun 2012
Release Date
Jun 2016
Southern Islands
Generation
Arctic Islands
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 3.0 x16

Clock Speeds

850 MHz
Base Clock
-
925 MHz
Boost Clock
-
1250 MHz
Memory Clock
1125 MHz

Memory

3GB
Memory Size
2GB
GDDR5
Memory Type
GDDR5
384bit
Memory Bus
128bit
240.0GB/s
Bandwidth
72.00GB/s

Render Config

28
Compute Units
8
-
-
-
1792
Shading Units
512
112
TMUs
32
32
ROPs
16
-
-
-
-
-
-
16 KB (per CU)
L1 Cache
16 KB (per CU)
768 KB
L2 Cache
256 KB
-
-
-

Theoretical Performance

29.60 GPixel/s
Pixel Rate
14.80 GPixel/s
103.6 GTexel/s
Texture Rate
29.60 GTexel/s
-
-
-
3.315 TFLOPS
FP32 (float)
947.2 GFLOPS
828.8 GFLOPS
FP64 (double)
59.20 GFLOPS

Board Design

200W
TDP
65W
550 W
Suggested PSU
250 W
1x 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

Tahiti
GPU Name
Cape Verde
Tahiti PRO2 (215-0821282)
GPU Variant
Cape Verde PRO2
GCN 1.0
Architecture
GCN 1.0
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
4.313 billion
Transistors
1.5 billion
352 mm²
Die Size
123 mm²

Graphics Features

12 (11_1)
DirectX
12 (11_1)
4.6
OpenGL
4.6
1.2
OpenCL
2.1 (1.2)
1.2
Vulkan
1.2.170
-
-
-
5.1
Shader Model
6.5 (5.1)

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