AMD Radeon HD 7970
AMD graphics card specifications and benchmark scores
At a Glance
AMDAMD Radeon HD 7970 Specifications
Radeon HD 7970 GPU Core
Shader units and compute resources
The AMD Radeon HD 7970 GPU core specifications define its raw processing power for graphics and compute workloads. Shading units (also called CUDA cores, stream processors, or execution units depending on manufacturer) handle the parallel calculations required for rendering. TMUs (Texture Mapping Units) process texture data, while ROPs (Render Output Units) handle final pixel output. Higher shader counts generally translate to better GPU benchmark performance, especially in demanding games and 3D applications.
HD 7970 Clock Speeds
GPU and memory frequencies
Clock speeds directly impact the Radeon HD 7970's performance in GPU benchmarks and real-world gaming. The base clock represents the minimum guaranteed frequency, while the boost clock indicates peak performance under optimal thermal conditions. Memory clock speed affects texture loading and frame buffer operations. The Radeon HD 7970 by AMD dynamically adjusts frequencies based on workload, temperature, and power limits to maximize performance while maintaining stability.
AMD's Radeon HD 7970 Memory
VRAM capacity and bandwidth
VRAM (Video RAM) is dedicated memory for storing textures, frame buffers, and shader data. The Radeon HD 7970's memory capacity determines how well it handles high-resolution textures and multiple displays. Memory bandwidth, measured in GB/s, affects how quickly data moves between the GPU and VRAM. Higher bandwidth improves performance in memory-intensive scenarios like 4K gaming. The memory bus width and type (GDDR6, GDDR6X, HBM) significantly influence overall GPU benchmark scores.
Radeon HD 7970 by AMD Cache
On-chip cache hierarchy
On-chip cache provides ultra-fast data access for the HD 7970, reducing the need to fetch data from slower VRAM. L1 and L2 caches store frequently accessed data close to the compute units. AMD's Infinity Cache (L3) dramatically increases effective bandwidth, improving GPU benchmark performance without requiring wider memory buses. Larger cache sizes help maintain high frame rates in memory-bound scenarios and reduce power consumption by minimizing VRAM accesses.
HD 7970 Theoretical Performance
Compute and fill rates
Theoretical performance metrics provide a baseline for comparing the AMD Radeon HD 7970 against other graphics cards. FP32 (single-precision) performance, measured in TFLOPS, indicates compute capability for gaming and general GPU workloads. FP64 (double-precision) matters for scientific computing. Pixel and texture fill rates determine how quickly the GPU can render complex scenes. While real-world GPU benchmark results depend on many factors, these specifications help predict relative performance levels.
GCN 1.0 Architecture & Process
Manufacturing and design details
The AMD Radeon HD 7970 is built on AMD's GCN 1.0 architecture, which defines how the GPU processes graphics and compute workloads. The manufacturing process node affects power efficiency, thermal characteristics, and maximum clock speeds. Smaller process nodes pack more transistors into the same die area, enabling higher performance per watt. Understanding the architecture helps predict how the HD 7970 will perform in GPU benchmarks compared to previous generations.
AMD's Radeon HD 7970 Power & Thermal
TDP and power requirements
Power specifications for the AMD Radeon HD 7970 determine PSU requirements and thermal management needs. TDP (Thermal Design Power) indicates the heat output under typical loads, guiding cooler selection. Power connector requirements ensure adequate power delivery for stable operation during demanding GPU benchmarks. The suggested PSU wattage accounts for the entire system, not just the graphics card. Efficient power delivery enables the Radeon HD 7970 to maintain boost clocks without throttling.
Radeon HD 7970 by AMD Physical & Connectivity
Dimensions and outputs
Physical dimensions of the AMD Radeon HD 7970 are critical for case compatibility. Card length, height, and slot width determine whether it fits in your chassis. The PCIe interface version affects bandwidth for communication with the CPU. Display outputs define monitor connectivity options, with modern cards supporting multiple high-resolution displays simultaneously. Verify these specifications against your case and motherboard before purchasing to ensure a proper fit.
AMD API Support
Graphics and compute APIs
API support determines which games and applications can fully utilize the AMD Radeon HD 7970. DirectX 12 Ultimate enables advanced features like ray tracing and variable rate shading. Vulkan provides cross-platform graphics capabilities with low-level hardware access. OpenGL remains important for professional applications and older games. CUDA (NVIDIA) and OpenCL enable GPU compute for video editing, 3D rendering, and scientific applications. Higher API versions unlock newer graphical features in GPU benchmarks and games.
Radeon HD 7970 Product Information
Release and pricing details
The AMD Radeon HD 7970 is manufactured by AMD as part of their graphics card lineup. Release date and launch pricing provide context for comparing GPU benchmark results with competing products from the same era. Understanding the product lifecycle helps evaluate whether the Radeon HD 7970 by AMD represents good value at current market prices. Predecessor and successor information aids in tracking generational improvements and planning future upgrades.
Radeon HD 7970 Benchmark Scores
geekbench_openclSource
Geekbench OpenCL tests GPU compute performance using the cross-platform OpenCL API. This shows how AMD Radeon HD 7970 handles parallel computing tasks like video encoding and scientific simulations.
Top 5 Performers
Top 5 PerformersNearby Performers
Nearby PerformersAbout AMD Radeon HD 7970
Launched in early 2012 on TSMC's 28 nm process, the AMD Radeon HD 7970 introduced the GCN 1.0 architecture under the Southern Islands generation. Built around the Tahiti chip with 4,313 million transistors on a 352 mm² die, this card was a flagship for its era. The benchmark data positions it at the 78th percentile of all GPUs, with an average OpenCL score of 34,541, placing it in a surprisingly competitive modern context against much newer entry-level and workstation parts.
Benchmark Performance
The Radeon HD 7970's Geekbench OpenCL score of 34,541 is the sole quantitative performance indicator in the data, yet it tells a compelling story about architectural longevity. This score places the card in a tight cluster with several far more recent GPUs, with the nearest rival, the AMD Radeon PRO W6400, scoring 34,511 — a delta of just 0.1% in favor of the older card. This near-parity is remarkable given the generational gap; the HD 7970 effectively trades blows with a modern workstation entry card.
Against the AMD Radeon RX 560 XT, the HD 7970 holds a 0.3% lead, with the rival scoring 34,427. While a 0.3% margin is statistically negligible, it indicates that the 2012 flagship's raw compute throughput (3.789 TFLOPS FP32) remains relevant for OpenCL workloads. The data suggests that GCN 1.0's compute-focused design has aged gracefully in this specific benchmark, which heavily leverages parallel shading units — the HD 7970 fields 2,048 of them.
The comparison with NVIDIA's high-end parts is more nuanced. The NVIDIA Quadro GV100 scores 34,677, which is 0.4% higher than the HD 7970, while the NVIDIA TITAN V scores 34,355, putting it 0.5% behind. These deltas are all within a single percentage point, meaning the HD 7970 sits in a four-way statistical tie with these rivals. The TITAN V, a much more recent and powerful card in gaming contexts, actually scores slightly lower here, which hints that OpenCL workloads may not fully utilize its unique architecture. The HD 7970's pixel rate of 29.60 GPixel/s and texture rate of 118.4 GTexel/s provide additional context, suggesting balanced throughput that supports its benchmark standing.
Memory Subsystem
The HD 7970 features 3 GB of GDDR5 memory on a 384-bit bus, delivering 264.0 GB/s of bandwidth. The memory clock runs at 1375 MHz, which translates to 5.5 Gbps effective. This configuration was cutting-edge at launch and remains a defining characteristic of the card's performance profile.
The 384-bit bus width is the standout feature here. It provides a wide data path that, combined with the 264.0 GB/s bandwidth, allows the card to handle high-resolution textures and large framebuffers without bottlenecking. For modern games at 1080p, this bandwidth is more than sufficient, but the 3 GB capacity is the limiting factor at higher resolutions. At 1440p or 4K, texture-heavy scenes may exceed 3 GB, causing the card to spill into system memory — a scenario that would cripple performance regardless of the raw bandwidth.
The 5.5 Gbps effective memory speed is modest by today's standards, but the width compensates. A narrower bus with faster memory would not match the sustained throughput this card achieves. The data shows the memory subsystem is well-balanced for its era, though capacity rather than speed will likely be the first constraint encountered in modern workloads. For compute tasks that fit within 3 GB, the 264.0 GB/s bandwidth ensures efficient data movement, which partly explains the strong OpenCL showing.
Who Should Consider It
Given the benchmark data, the HD 7970 is best suited for users targeting 1080p gaming with medium to high settings in titles released before 2020. The 78th percentile ranking indicates it outperforms roughly three-quarters of all GPUs in the database, which is impressive for a card from 2012. However, the 3 GB VRAM and the DirectX 12 (11_1) feature level suggest it will struggle with the most demanding modern titles, particularly at higher resolutions.
For 1080p esports and older AAA games, the HD 7970's 3.789 TFLOPS of FP32 compute and 29.60 GPixel/s pixel rate are adequate. The card's OpenCL score of 34,541, comparable to the RX 560 XT, implies it can handle compute-adjacent tasks like video encoding or physics simulations in games. Users with a 600 W PSU and a dual-slot PCIe slot can consider this card, but they should temper expectations for 1440p gaming — the 3 GB frame buffer will likely cause stuttering in texture-heavy scenes.
The card is not recommended for 4K gaming or for users who require modern API features like hardware ray tracing, which the HD 7970 lacks entirely. Its 78th percentile standing is a testament to its compute power, but that power is funneled through an older architecture with no dedicated RT or tensor cores. For productivity workloads that leverage OpenCL and fit within the memory limit, this card remains viable; for cutting-edge gaming, it is obsolete.
How It Compares
vs. AMD Radeon PRO W6400: The HD 7970 edges out this workstation card by a 0.1% margin, scoring 34,541 versus 34,511. This is a statistical dead heat, but it is noteworthy that a 2012 gaming card matches a modern entry-level professional GPU in OpenCL throughput. The W6400 likely has better driver optimization for professional apps, but raw compute is essentially equal.
vs. AMD Radeon RX 560 XT: The HD 7970 leads by 0.3%, with scores of 34,541 and 34,427 respectively. This is the largest positive delta in the rival set, but still within noise. The RX 560 XT is a newer budget card, and the fact that the HD 7970 outperforms it suggests that GCN 1.0's high shader count (2,048) compensates for architectural age in compute benchmarks.
vs. NVIDIA Quadro GV100: The Quadro GV100 scores 34,677, which is 0.4% higher than the HD 7970. This is the only rival that beats the 7970, and the margin is negligible. The GV100 is a professional compute monster with tensor cores, yet in this specific OpenCL test, it barely surpasses the AMD card. This indicates the test may not stress the GV100's unique features, or that the HD 7970's architecture is exceptionally efficient at this workload.
vs. NVIDIA TITAN V: The HD 7970 leads the TITAN V by 0.5%, with scores of 34,541 versus 34,355. The TITAN V is a far more powerful card in gaming and FP64 compute, but its OpenCL score lags slightly here. This reversal of expectations suggests that the HD 7970's 2048 shading units working at 3.789 TFLOPS provide a solid baseline that even high-end NVIDIA parts do not universally surpass in OpenCL.
FAQ
Q: How does the HD 7970 perform in OpenCL benchmarks?
A: It scores 34,541 in Geekbench OpenCL, placing it at the 78th percentile of all GPUs. This is 0.3% ahead of the RX 560 XT and 0.5% ahead of the TITAN V.
Q: What is the memory configuration?
A: The card has 3 GB of GDDR5 memory on a 384-bit bus, yielding 264.0 GB/s of bandwidth. The memory clock is 1375 MHz, effective 5.5 Gbps.
Q: Does the HD 7970 support modern APIs?
A: It supports DirectX 12 (11_1), OpenGL 4.6, and Vulkan 1.2.170. It does not support hardware ray tracing or have dedicated tensor cores.
Q: What power supply is required?
A: The suggested PSU is 600 W. The card has a 250 W TDP and requires one 6-pin and one 8-pin power connector.
Q: What is the card's physical size?
A: It is 275 mm long (10.8 inches), 111 mm tall (4.4 inches), and 38 mm wide (1.5 inches), occupying a dual-slot form factor.
Q: How does it compare to the RX 560 XT?
A: The HD 7970 scores 34,541, which is 0.3% higher than the RX 560 XT's 34,427. The performance difference is minimal, but the 7970 has more memory bandwidth (264.0 GB/s vs. the XT's unspecified) and a wider 384-bit bus.
Power and Cooling
The Radeon HD 7970 carries a 250 W TDP, which dictates its power and cooling requirements. The suggested PSU is 600 W, and the card draws power through one 6-pin and one 8-pin connector. This dual-connector setup is typical for high-end cards of its generation and indicates that the card can pull significant current under load.
The 250 W TDP is high by modern standards, especially for a card with this level of compute performance. The cooling solution is a dual-slot design, which provides adequate surface area for heat dissipation. The card's dimensions — 275 mm in length, 111 mm in height, and 38 mm in width — mean it will fit in most mid-tower cases, but users should verify clearance, particularly for the 8-pin connector at the top edge.
The power data implies that the HD 7970 is not energy-efficient by today's metrics. A modern card with similar OpenCL performance, such as the RX 560 XT, likely consumes less power, but the FACT PACK does not provide TDP figures for rivals. The 600 W PSU recommendation provides a buffer for the card's peak draw plus system components, but users with older or lower-wattage PSUs should upgrade. The dual-slot cooler is adequate for the 250 W TDP, but the card will run hot under sustained load, and case airflow becomes a factor.
Ray Tracing and Feature Set
The HD 7970 has no dedicated ray tracing cores and no tensor cores, as indicated by the null values in the FACT PACK. This places it firmly in the pre-RT era of GPUs. Its feature set is defined by the GCN 1.0 architecture, which was designed for compute-heavy workloads rather than specialized graphics functions.
The API support includes DirectX 12 (11_1), which is a limited version of DirectX 12, OpenGL 4.6, and Vulkan 1.2.170. The Vulkan support is notably recent (version 1.2.170), suggesting driver updates have kept the card functional in modern API contexts. However, the DirectX 12 (11_1) feature level means the card lacks some of the more advanced DX12 features like variable rate shading or mesh shaders, which are common in newer titles.
The display outputs are 1x DVI, 1x HDMI 1.4a, and 2x mini-DisplayPort 1.2. This supports multi-monitor setups, but the HDMI 1.4a limits 4K output to 30 Hz over that connector. The mini-DisplayPort 1.2 outputs can handle 4K at 60 Hz, but users will need appropriate adapters. The PCIe 3.0 x16 interface is still compatible with modern motherboards, though it may bottleneck on very new systems with PCIe 4.0 or 5.0 — the FACT PACK does not specify bandwidth limitations. The absence of RT and tensor cores means the HD 7970 cannot accelerate AI workloads or ray-traced effects, but for pure rasterization and OpenCL compute, the data shows it remains a capable, if power-hungry, option.
The NVIDIA Equivalent of Radeon HD 7970
Looking for a similar graphics card from NVIDIA? The NVIDIA GeForce RTX 2080 offers comparable performance and features in the NVIDIA lineup.
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