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GPU Comparison
AMD Radeon HD 6770 vs ATI Radeon HD 4700
AMD Radeon HD 6770 vs ATI Radeon HD 4700
VS
AMD Radeon HD 6770
ATI Radeon HD 4700
We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6770 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 6770 's Advantages
Released 11 months late
More VRAM (1024GB vs 512GB)
Larger VRAM bandwidth (76.80GB/s vs 12.80GB/s)
480 additional rendering cores
ATI Radeon HD 4700 's Advantages
Lower TDP (50W vs 108W)
Score
Benchmark
FP32 (float)
Radeon HD 6770
+254%
1.36 TFLOPS
Radeon HD 4700
0.384 TFLOPS
Radeon HD 6770
VS
Radeon HD 4700
Graphics Card
Jan 2011
Release Date
Feb 2010
Northern Islands
Generation
Radeon R700
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
-
Base Clock
-
-
Boost Clock
-
1200 MHz
Memory Clock
400 MHz
Memory
1024MB
Memory Size
512MB
GDDR5
Memory Type
DDR2
128bit
Memory Bus
128bit
76.80GB/s
Bandwidth
12.80GB/s
Render Config
-
SM Count
-
10
Compute Units
4
800
Shading Units
320
40
TMUs
32
16
ROPs
8
-
Tensor Cores
-
-
RT Cores
-
8 KB (per CU)
L1 Cache
16 KB (per CU)
256 KB
L2 Cache
128 KB
Theoretical Performance
13.60 GPixel/s
Pixel Rate
4.800 GPixel/s
34.00 GTexel/s
Texture Rate
19.20 GTexel/s
-
FP16 (half)
-
1360 GFLOPS
FP32 (float)
384.0 GFLOPS
-
FP64 (double)
-
Graphics Processor
Juniper
GPU Name
RV730
Juniper XT (215-0754013)
GPU Variant
RV730 CE
TeraScale 2
Architecture
TeraScale
TSMC
Foundry
TSMC
40 nm
Process Size
55 nm
1.04 billion
Transistors
0.514 billion
166 mm²
Die Size
146 mm²
Board Design
108W
TDP
50W
300 W
Suggested PSU
250 W
2x DVI 1x HDMI 1.3a 2x mini-DisplayPort 1.1
Outputs
2x DVI 1x S-Video
1x 6-pin
Power Connectors
-
Graphics Features
11.2 (11_0)
DirectX
10.1 (10_1)
4.4
OpenGL
3.3
1.2
OpenCL
1.1
N/A
Vulkan
N/A
-
CUDA
-
5.0
Shader Model
4.1
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