ATI Radeon HD 5970 vs Radeon HD 3870 AGP
We compared two Desktop platform GPUs: 1024MB VRAM ATI Radeon HD 5970 and 512MB VRAM Radeon HD 3870 AGP to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
ATI Radeon HD 5970 's Advantages
More VRAM (1024GB vs 512GB)
Larger VRAM bandwidth (128.0GB/s vs 72.06GB/s)
1280 additional rendering cores
Radeon HD 3870 AGP 's Advantages
Lower TDP (106W vs 294W)
Score
Benchmark
FP32 (float)
ATI Radeon HD 5970
+366%
2320
Radeon HD 3870 AGP
497
Graphics Card
Nov 2009
Release Date
Unknown
Evergreen
Generation
Radeon R600
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
AGP 8x
Clock Speeds
1000 MHz
Memory Clock
1126 MHz
Memory
1024MB
Memory Size
512MB
GDDR5
Memory Type
GDDR4
256bit
Memory Bus
256bit
128.0GB/s
Bandwidth
72.06GB/s
Render Config
20
Compute Units
4
1600
Shading Units
320
80
TMUs
16
32
ROPs
16
8 KB (per CU)
L1 Cache
-
512 KB
L2 Cache
256 KB
Theoretical Performance
23.20 GPixel/s
Pixel Rate
12.43 GPixel/s
58.00 GTexel/s
Texture Rate
12.43 GTexel/s
2.320 TFLOPS
FP32 (float)
497.3 GFLOPS
464.0 GFLOPS
FP64 (double)
99.46 GFLOPS
Board Design
294W
TDP
106W
600 W
Suggested PSU
300 W
2x DVI
1x mini-DisplayPort 1.1
Outputs
2x DVI
1x S-Video
1x 6-pin + 1x 8-pin
Power Connectors
1x 8-pin
Graphics Processor
Hemlock
GPU Name
RV670
Hemlock XT
(215-0735075)
GPU Variant
RV670 XT
(215-0708005)
TeraScale 2
Architecture
TeraScale
TSMC
Foundry
TSMC
40 nm
Process Size
55 nm
2.154 billion
Transistors
0.666 billion
334 mm²
Die Size
192 mm²
Graphics Features
11.2 (11_0)
DirectX
10.1 (10_1)
4.4
OpenGL
3.3 (full)
4.0 (partial)
1.2
OpenCL
N/A
N/A
Vulkan
N/A
5.0
Shader Model
4.1
