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GPU Comparison
ATI Radeon HD 5770 vs AMD Radeon HD 6990
ATI Radeon HD 5770 vs AMD Radeon HD 6990
VS
ATI Radeon HD 5770
AMD Radeon HD 6990
We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 5770 and 2GB VRAM Radeon HD 6990 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
ATI Radeon HD 5770 's Advantages
Lower TDP (108W vs 375W)
AMD Radeon HD 6990 's Advantages
Released 1 years and 5 months late
More VRAM (2GB vs 1GB)
Larger VRAM bandwidth (160.0GB/s vs 76.80GB/s)
736 additional rendering cores
Score
Benchmark
FP32 (float)
Radeon HD 5770
1.36 TFLOPS
Radeon HD 6990
+87%
2.55 TFLOPS
Radeon HD 5770
VS
Radeon HD 6990
Graphics Card
Oct 2009
Release Date
Mar 2011
Evergreen
Generation
Northern Islands
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
-
Base Clock
-
-
Boost Clock
-
1200 MHz
Memory Clock
1250 MHz
Memory
1024MB
Memory Size
2GB
GDDR5
Memory Type
GDDR5
128bit
Memory Bus
256bit
76.80GB/s
Bandwidth
160.0GB/s
Render Config
-
SM Count
-
10
Compute Units
24
800
Shading Units
1536
40
TMUs
96
16
ROPs
32
-
Tensor Cores
-
-
RT Cores
-
8 KB (per CU)
L1 Cache
8 KB (per CU)
256 KB
L2 Cache
512 KB
Theoretical Performance
13.60 GPixel/s
Pixel Rate
26.56 GPixel/s
34.00 GTexel/s
Texture Rate
79.68 GTexel/s
-
FP16 (half)
-
1360 GFLOPS
FP32 (float)
2.550 TFLOPS
-
FP64 (double)
637.4 GFLOPS
Graphics Processor
Juniper
GPU Name
Antilles
Juniper XT (215-0754013)
GPU Variant
Antilles XT (215-0807027)
TeraScale 2
Architecture
TeraScale 3
TSMC
Foundry
TSMC
40 nm
Process Size
40 nm
1.04 billion
Transistors
2.64 billion
166 mm²
Die Size
389 mm²
Board Design
108W
TDP
375W
300 W
Suggested PSU
750 W
2x DVI 1x HDMI 1.3a 1x DisplayPort 1.1
Outputs
1x DVI 4x mini-DisplayPort 1.2
1x 6-pin
Power Connectors
2x 8-pin
Graphics Features
11.2 (11_0)
DirectX
11.2 (11_0)
4.4
OpenGL
4.4
1.2
OpenCL
1.2
N/A
Vulkan
N/A
-
CUDA
-
5.0
Shader Model
5.0
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