Home GPU Comparison ATI Radeon HD 5970 vs ATI Radeon HD 3450 PCI

ATI Radeon HD 5970 vs ATI Radeon HD 3450 PCI

We compared two Desktop platform GPUs: 1024MB VRAM ATI Radeon HD 5970 and 512MB VRAM Radeon HD 3450 PCI to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 5970 's Advantages
Released 1 years and 10 months late
More VRAM (1024GB vs 512GB)
Larger VRAM bandwidth (128.0GB/s vs 6.400GB/s)
1560 additional rendering cores
ATI Radeon HD 3450 PCI 's Advantages
Lower TDP (25W vs 294W)

Score

Benchmark

FP32 (float)
ATI Radeon HD 5970 +4733%
2.32 TFLOPS
Radeon HD 3450 PCI
0.048 TFLOPS
VS

Graphics Card

Nov 2009
Release Date
Jan 2008
Evergreen
Generation
Radeon R600
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCI

Clock Speeds

-
-
-
-
-
-
1000 MHz
Memory Clock
400 MHz

Memory

1024MB
Memory Size
512MB
GDDR5
Memory Type
DDR2
256bit
Memory Bus
64bit
128.0GB/s
Bandwidth
6.400GB/s

Render Config

20
Compute Units
2
-
-
-
1600
Shading Units
40
80
TMUs
4
32
ROPs
4
-
-
-
-
-
-
8 KB (per CU)
L1 Cache
-
512 KB
L2 Cache
64 KB
-
-
-

Theoretical Performance

23.20 GPixel/s
Pixel Rate
2.400 GPixel/s
58.00 GTexel/s
Texture Rate
2.400 GTexel/s
-
-
-
2.320 TFLOPS
FP32 (float)
48.00 GFLOPS
464.0 GFLOPS
FP64 (double)
-

Board Design

294W
TDP
25W
600 W
Suggested PSU
200 W
2x DVI 1x mini-DisplayPort 1.1
Outputs
1x DVI 1x S-Video
1x 6-pin + 1x 8-pin
Power Connectors
None

Graphics Processor

Hemlock
GPU Name
RV620
Hemlock XT (215-0735075)
GPU Variant
RV620 LE
TeraScale 2
Architecture
TeraScale
TSMC
Foundry
TSMC
40 nm
Process Size
55 nm
2.154 billion
Transistors
0.181 billion
334 mm²
Die Size
67 mm²

Graphics Features

11.2 (11_0)
DirectX
10.1 (10_1)
4.4
OpenGL
3.3
1.2
OpenCL
N/A
N/A
Vulkan
N/A
-
-
-
5.0
Shader Model
4.1

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