Home GPU Comparison NVIDIA GeForce RTX 4090 Ti vs AMD Radeon HD 7770 GHz Edition

NVIDIA GeForce RTX 4090 Ti vs AMD Radeon HD 7770 GHz Edition

We compared two Desktop platform GPUs: 24GB VRAM GeForce RTX 4090 Ti and 1024MB VRAM Radeon HD 7770 GHz Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 4090 Ti 's Advantages
Boost Clock2565MHz
More VRAM (24GB vs 1024GB)
Larger VRAM bandwidth (1152GB/s vs 72.00GB/s)
17536 additional rendering cores
AMD Radeon HD 7770 GHz Edition 's Advantages
Lower TDP (80W vs 600W)

Score

Benchmark

FP32 (float)
GeForce RTX 4090 Ti +7184%
93.24 TFLOPS
Radeon HD 7770 GHz Edition
1.28 TFLOPS
VS

Graphics Card

Unknown
Release Date
Feb 2012
GeForce 40
Generation
Southern Islands
Desktop
Type
Desktop
PCIe 4.0 x16
Bus Interface
PCIe 3.0 x16

Clock Speeds

2325 MHz
Base Clock
-
2565 MHz
Boost Clock
-
1500 MHz
Memory Clock
1125 MHz

Memory

24GB
Memory Size
1024MB
GDDR6X
Memory Type
GDDR5
384bit
Memory Bus
128bit
1152GB/s
Bandwidth
72.00GB/s

Render Config

-
Compute Units
10
142
SM Count
-
18176
Shading Units
640
568
TMUs
40
192
ROPs
16
568
Tensor Cores
-
142
RT Cores
-
128 KB (per SM)
L1 Cache
16 KB (per CU)
96 MB
L2 Cache
256 KB
-
-
-

Theoretical Performance

492.5 GPixel/s
Pixel Rate
16.00 GPixel/s
1457 GTexel/s
Texture Rate
40.00 GTexel/s
93.24 TFLOPS
FP16 (half)
-
93.24 TFLOPS
FP32 (float)
1280 GFLOPS
1457 GFLOPS
FP64 (double)
80.00 GFLOPS

Board Design

600W
TDP
80W
1000 W
Suggested PSU
250 W
1x HDMI 2.1 3x DisplayPort 1.4a
Outputs
1x DVI 1x HDMI 1.4a 2x mini-DisplayPort 1.2
2x 16-pin
Power Connectors
1x 6-pin

Graphics Processor

AD102
GPU Name
Cape Verde
AD102-400-A1
GPU Variant
Cape Verde XT
Ada Lovelace
Architecture
GCN 1.0
TSMC
Foundry
TSMC
5 nm
Process Size
28 nm
76.3 billion
Transistors
1.5 billion
609 mm²
Die Size
123 mm²

Graphics Features

12 Ultimate (12_2)
DirectX
12 (11_1)
4.6
OpenGL
4.6
3.0
OpenCL
1.2
1.3
Vulkan
1.2
8.9
CUDA
-
6.7
Shader Model
5.1

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