ATI Radeon HD 5770 vs ATI Radeon HD 4870
We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 5770 and 512MB VRAM Radeon HD 4870 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
ATI Radeon HD 5770 's Advantages
Released 1 years and 4 months late
More VRAM (1024GB vs 512GB)
Lower TDP (108W vs 150W)
ATI Radeon HD 4870 's Advantages
Larger VRAM bandwidth (115.2GB/s vs 76.80GB/s)
Score
Benchmark
FP32 (float)
Radeon HD 5770
+13%
1.36 TFLOPS
Radeon HD 4870
1.2 TFLOPS
Graphics Card
Oct 2009
Release Date
Jun 2008
Evergreen
Generation
Radeon R700
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
-
-
-
-
-
-
1200 MHz
Memory Clock
900 MHz
Memory
1024MB
Memory Size
512MB
GDDR5
Memory Type
GDDR5
128bit
Memory Bus
256bit
76.80GB/s
Bandwidth
115.2GB/s
Render Config
10
Compute Units
10
-
-
-
800
Shading Units
800
40
TMUs
40
16
ROPs
16
-
-
-
-
-
-
8 KB (per CU)
L1 Cache
16 KB (per CU)
256 KB
L2 Cache
256 KB
-
-
-
Theoretical Performance
13.60 GPixel/s
Pixel Rate
12.00 GPixel/s
34.00 GTexel/s
Texture Rate
30.00 GTexel/s
-
-
-
1360 GFLOPS
FP32 (float)
1200 GFLOPS
-
FP64 (double)
240.0 GFLOPS
Board Design
108W
TDP
150W
300 W
Suggested PSU
450 W
2x DVI
1x HDMI 1.3a
1x DisplayPort 1.1
Outputs
2x DVI
1x S-Video
1x 6-pin
Power Connectors
2x 6-pin
Graphics Processor
Juniper
GPU Name
RV770
Juniper XT
(215-0754013)
GPU Variant
RV770 XT
(215-0669049)
TeraScale 2
Architecture
TeraScale
TSMC
Foundry
TSMC
40 nm
Process Size
55 nm
1.04 billion
Transistors
0.956 billion
166 mm²
Die Size
256 mm²
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
-
-
-
5.0
Shader Model
4.1
