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GPU Comparison
AMD Radeon HD 7770 GHz Edition vs AMD Radeon RX 7990 XTX
AMD Radeon HD 7770 GHz Edition vs AMD Radeon RX 7990 XTX
VS
AMD Radeon HD 7770 GHz Edition
AMD Radeon RX 7990 XTX
We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 7770 GHz Edition and 24GB VRAM Radeon RX 7990 XTX to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon HD 7770 GHz Edition 's Advantages
Lower TDP (80W vs 405W)
AMD Radeon RX 7990 XTX 's Advantages
Boost Clock3599MHz
More VRAM (24GB vs 1GB)
Larger VRAM bandwidth (1152GB/s vs 72.00GB/s)
5504 additional rendering cores
Score
Benchmark
FP32 (float)
Radeon HD 7770 GHz Edition
1.28 TFLOPS
Radeon RX 7990 XTX
+6810%
88.45 TFLOPS
Radeon HD 7770 GHz Edition
VS
Radeon RX 7990 XTX
Graphics Card
Feb 2012
Release Date
Unknown
Southern Islands
Generation
Navi III
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 4.0 x16
Clock Speeds
-
Base Clock
2500 MHz
-
Boost Clock
3599 MHz
1125 MHz
Memory Clock
3000 MHz
Memory
1024MB
Memory Size
24GB
GDDR5
Memory Type
GDDR6
128bit
Memory Bus
384bit
72.00GB/s
Bandwidth
1152GB/s
Render Config
-
SM Count
-
10
Compute Units
96
640
Shading Units
6144
40
TMUs
384
16
ROPs
192
-
Tensor Cores
-
-
RT Cores
96
16 KB (per CU)
L1 Cache
256 KB per Array
256 KB
L2 Cache
6 MB
Theoretical Performance
16.00 GPixel/s
Pixel Rate
691.0 GPixel/s
40.00 GTexel/s
Texture Rate
1382 GTexel/s
-
FP16 (half)
176.9 TFLOPS
1280 GFLOPS
FP32 (float)
88.45 TFLOPS
80.00 GFLOPS
FP64 (double)
2.764 TFLOPS
Graphics Processor
Cape Verde
GPU Name
Navi 31
Cape Verde XT
GPU Variant
Navi 31 XTX+
GCN 1.0
Architecture
RDNA 3.0
TSMC
Foundry
TSMC
28 nm
Process Size
5 nm
1.5 billion
Transistors
57.7 billion
123 mm²
Die Size
529 mm²
Board Design
80W
TDP
405W
250 W
Suggested PSU
800 W
1x DVI 1x HDMI 1.4a 2x mini-DisplayPort 1.2
Outputs
1x HDMI 2.1a 2x DisplayPort 2.1 1x USB Type-C
1x 6-pin
Power Connectors
3x 8-pin
Graphics Features
12 (11_1)
DirectX
12 Ultimate (12_2)
4.6
OpenGL
4.6
1.2
OpenCL
2.2
1.2
Vulkan
1.3
-
CUDA
-
5.1
Shader Model
6.7
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