Home GPU Comparison AMD Radeon HD 6970 vs ATI Radeon HD 5450 PCI

AMD Radeon HD 6970 vs ATI Radeon HD 5450 PCI

AMD Radeon HD 6970
VS
ATI Radeon HD 5450 PCI
AMD Radeon HD 6970
ATI Radeon HD 5450 PCI
We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 6970 and 512MB VRAM Radeon HD 5450 PCI to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6970 's Advantages
Released 10 months late
More VRAM (2GB vs 512GB)
Larger VRAM bandwidth (176.0GB/s vs 5.328GB/s)
1456 additional rendering cores
ATI Radeon HD 5450 PCI 's Advantages
Lower TDP (19W vs 250W)

Score

Benchmark

FP32 (float)
Radeon HD 6970 +2499%
2.703 TFLOPS
Radeon HD 5450 PCI
0.104 TFLOPS
VS

Graphics Card

Dec 2010
Release Date
Feb 2010
Northern Islands
Generation
Evergreen
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCI

Clock Speeds

-
-
-
-
-
-
1375 MHz
Memory Clock
333 MHz

Memory

2GB
Memory Size
512MB
GDDR5
Memory Type
DDR2
256bit
Memory Bus
64bit
176.0GB/s
Bandwidth
5.328GB/s

Render Config

24
Compute Units
2
-
-
-
1536
Shading Units
80
96
TMUs
8
32
ROPs
4
-
-
-
-
-
-
8 KB (per CU)
L1 Cache
8 KB (per CU)
512 KB
L2 Cache
128 KB
-
-
-

Theoretical Performance

28.16 GPixel/s
Pixel Rate
2.600 GPixel/s
84.48 GTexel/s
Texture Rate
5.200 GTexel/s
-
-
-
2.703 TFLOPS
FP32 (float)
104.0 GFLOPS
675.8 GFLOPS
FP64 (double)
-

Board Design

250W
TDP
19W
600 W
Suggested PSU
200 W
2x DVI 1x HDMI 1.4a 2x mini-DisplayPort 1.2
Outputs
1x DVI 1x HDMI 1.3a
1x 6-pin + 1x 8-pin
Power Connectors
None

Graphics Processor

Cayman
GPU Name
Cedar
Cayman XT (215-0807007)
GPU Variant
Cedar PRO
TeraScale 3
Architecture
TeraScale 2
TSMC
Foundry
TSMC
40 nm
Process Size
40 nm
2.64 billion
Transistors
0.292 billion
389 mm²
Die Size
59 mm²

Graphics Features

11.2 (11_0)
DirectX
11.2 (11_0)
4.4
OpenGL
4.4
1.2
OpenCL
1.2
N/A
Vulkan
N/A
-
-
-
5.0
Shader Model
5.0

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