Home GPU Comparison AMD Radeon HD 7970 GHz Edition vs ATI Radeon HD 4700

AMD Radeon HD 7970 GHz Edition vs ATI Radeon HD 4700

We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 7970 GHz Edition and 512MB VRAM Radeon HD 4700 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7970 GHz Edition 's Advantages
Released 2 years and 4 months late
Boost Clock1050MHz
Larger VRAM bandwidth (288.0GB/s vs 12.80GB/s)
1728 additional rendering cores
ATI Radeon HD 4700 's Advantages
Lower TDP (50W vs 300W)

Score

Benchmark

FP32 (float)
Radeon HD 7970 GHz Edition +1020%
4.301 TFLOPS
Radeon HD 4700
0.384 TFLOPS
VS

Graphics Card

Jun 2012
Release Date
Feb 2010
Southern Islands
Generation
Radeon R700
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 2.0 x16

Clock Speeds

1000 MHz
Base Clock
-
1050 MHz
Boost Clock
-
1500 MHz
Memory Clock
400 MHz

Memory

3GB
Memory Size
512MB
GDDR5
Memory Type
DDR2
384bit
Memory Bus
128bit
288.0GB/s
Bandwidth
12.80GB/s

Render Config

-
SM Count
-
32
Compute Units
4
2048
Shading Units
320
128
TMUs
32
32
ROPs
8
-
Tensor Cores
-
-
RT Cores
-
16 KB (per CU)
L1 Cache
16 KB (per CU)
768 KB
L2 Cache
128 KB

Theoretical Performance

33.60 GPixel/s
Pixel Rate
4.800 GPixel/s
134.4 GTexel/s
Texture Rate
19.20 GTexel/s
-
FP16 (half)
-
4.301 TFLOPS
FP32 (float)
384.0 GFLOPS
1075 GFLOPS
FP64 (double)
-

Graphics Processor

Tahiti
GPU Name
RV730
Tahiti XT2 (215-0821065)
GPU Variant
RV730 CE
GCN 1.0
Architecture
TeraScale
TSMC
Foundry
TSMC
28 nm
Process Size
55 nm
4.313 billion
Transistors
0.514 billion
352 mm²
Die Size
146 mm²

Board Design

300W
TDP
50W
700 W
Suggested PSU
250 W
1x DVI 1x HDMI 1.4a 2x mini-DisplayPort 1.2
Outputs
2x DVI 1x S-Video
1x 6-pin + 1x 8-pin
Power Connectors
-

Graphics Features

12 (11_1)
DirectX
10.1 (10_1)
4.6
OpenGL
3.3
1.2
OpenCL
1.1
1.2
Vulkan
N/A
-
CUDA
-
5.1
Shader Model
4.1

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