Home GPU Comparison AMD Radeon HD 7950 Boost vs AMD Radeon R9 270X

AMD Radeon HD 7950 Boost vs AMD Radeon R9 270X

We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 7950 Boost and 2GB VRAM Radeon R9 270X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7950 Boost 's Advantages
More VRAM (3GB vs 2GB)
Larger VRAM bandwidth (240.0GB/s vs 179.2GB/s)
512 additional rendering cores
AMD Radeon R9 270X 's Advantages
Released 1 years and 4 months late
Boost Clock has increased by 14% (1050MHz vs 925MHz)
Lower TDP (180W vs 200W)

Score

Benchmark

FP32 (float)
Radeon HD 7950 Boost +23%
3.315 TFLOPS
Radeon R9 270X
2.688 TFLOPS
VS

Graphics Card

Jun 2012
Release Date
Oct 2013
Southern Islands
Generation
Volcanic Islands
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 3.0 x16

Clock Speeds

850 MHz
Base Clock
1000 MHz
925 MHz
Boost Clock
1050 MHz
1250 MHz
Memory Clock
1400 MHz

Memory

3GB
Memory Size
2GB
GDDR5
Memory Type
GDDR5
384bit
Memory Bus
256bit
240.0GB/s
Bandwidth
179.2GB/s

Render Config

28
Compute Units
20
-
-
-
1792
Shading Units
1280
112
TMUs
80
32
ROPs
32
-
-
-
-
-
-
16 KB (per CU)
L1 Cache
16 KB (per CU)
768 KB
L2 Cache
512 KB
-
-
-

Theoretical Performance

29.60 GPixel/s
Pixel Rate
33.60 GPixel/s
103.6 GTexel/s
Texture Rate
84.00 GTexel/s
-
-
-
3.315 TFLOPS
FP32 (float)
2.688 TFLOPS
828.8 GFLOPS
FP64 (double)
168.0 GFLOPS

Board Design

200W
TDP
180W
550 W
Suggested PSU
450 W
1x DVI 1x HDMI 1.4a 2x mini-DisplayPort 1.2
Outputs
2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2
2x 6-pin
Power Connectors
2x 6-pin

Graphics Processor

Tahiti
GPU Name
Curacao
Tahiti PRO2 (215-0821282)
GPU Variant
Curacao XT (215-0848004)
GCN 1.0
Architecture
GCN 1.0
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
4.313 billion
Transistors
2.8 billion
352 mm²
Die Size
212 mm²

Graphics Features

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

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